Table 1

Monogenic diseases for which PGD has been more commonly applied

Autosomal recessive
    Cystic fibrosis
    β thalassaemia (β globin gene)
    Sickle cell anaemia (β globin gene)
    Spinal muscular atrophy (type I)
    Tay-Sachs disease
    Congenital adrenal hyperplasia
Autosomal dominant
    Myotonic dystrophy
    Huntington's disease
    Charcot-Marie-Tooth disease IA
    Marfan syndrome
    Familial adenomatous polyposis coli
X linked
    Duchenne/Becker muscular dystrophy
    Haemophilia
    Fragile X syndrome
    Wiskott-Aldrich syndrome
    Lesch-Nyhan syndrome